Tread portion of an automobile tire



FIG. 1 is a perspective view of a tread portion of an automobile tireaccording to my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side thereof;

FIG. 5 is a fragmentary enlarged view showing the details of treadportion thereof;

FIG. 6 is a section view taken along line 6-6 in FIG. 5; and,

FIG. 7 is a section view taken along line 7-7 in FIG. 5.

The broken lines showing the inner bead, sidewall, and peripheralboundary between the claimed tread and the sidewall are for the purposeof illustrating environment and form no part of the claim.

CLAIM The ornamental design for a tread portion of an automobile tire,as shown and described.